Silver 1lbs Silver Brazing Solder Rods - HVAC - 5 % Silvaloy 28 Sticks Adjustable Return allowing you to choose the

allowing you to choose the best option to suit your airflow needs

Test the valve operation to ensure it is functioning correctly

Center Core is Removable for Easy Access and Maintence

+ Product Details Size - 4"w X 28"h is the size for the duct opening measurement only

meticulously designed for optimal HVAC performance

Silver 1lbs Silver Brazing Solder Rods - HVAC - 5 % Silvaloy 28 Sticks Adjustable Return allowing you to choose the+ Product Details Includes 28 Rods Superior quality silver solder brazing metal rods used to join dissimilar metals for various commercial and residential applications such as refrigeration, HVAC, electronics, etc. Best alloy to fill gaps when close fit ups cannot be made highest joint ductility and strength in HVAC R applications. Chemical Composition: 5% Silver 6% Phosphorus 89% Copper Brazing Temperature: Solidus Temperature: 1190F Liquidus